The drive shaft AB of an automobile is to be designed as a thin-walled tube. The engine delivers 150 hp when the shaft is turning at 1000 rev>min. Determine the minimum thickness of the shaft’s wall if the shaft’s outerdiameter is 2.5 in. The material has allowable shear stress of tallow = 7 ksi.

The drive shaft AB of an automobile is to be designed as a thin-walled tube. The engine delivers 150 hp when the shaft is turning at 1000 rev>min. Determine the minimum thickness of the shaft’s wall if the shaft’s outerdiameter is 2.5 in. The material has allowable shear stress of tallow = 7 ksi.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter3: Torsion

Section: Chapter Questions

Problem 3.11.13P: A thin-walled rectangular tube has uniform thickness t and dimensions a x b to the median line of...

See similar textbooks

Similar questions

The drive shaft AB of an automobile is made of a steel having allowable shear stress of tallow = 8 ksi. If the outer diameter of the shaft is 2.5 in. and the engine delivers 200 hp to the shaft when it is turning at 1140 rev>min, determine the minimum required thickness of the shaft’s wall.
The drive shaft of a car with diameter 30 mm is designed to transmit a power of 50 kW when rotating at 2100 rpm. The drive shaft material has an allowable shear stress of 230 MPa. i) Determine the maximum shear stress in the shaft. ii) In order to reduce the weight of the vehicle, a hollow shaft is proposed with a maximum outer diameter of 30 mm. Determine, the maximum inner diameter iii) Determine the resultant percentage weight reduction
A hollow shaft for a rotary compressor is to be designed to transmit a maximum torque of 4750 N-m.The shear stress in the shaft is limited to 50 MPa. Determine the inside and outside diameters of theshaft, if the ratio of the inside to the outside diameter is 0.4. [Ans. 35 mm ; 90 mm]
The internal loadings at a critical section along the steel drive shaft of a ship are calculated to be a torque of 2300 lb # ft, a bending moment of 1500 lb # ft, and an axial thrust of 2500 lb. If the yield points for tension and shear are sY = 100 ksi and tY = 50 ksi, respectively, determine the required diameter ofthe shaft using the maximum shear stress theory.
The propellers of a ship are connected to an A-36 steel shaft that is 60 m long and has an outer diameter of 340 mm and inner diameter of 260 mm. If the power output is 4.5 MW when the shaft rotates at 20 rad>s, determine the maximum torsional stress in the shaft and its angle of twist.
A mild steel shaft transmits 18 kW at 450 r.p.m. It carries a central load of 900 N and is simply supported between the bearings 2.5 metres apart. Determine the size of the shaft, if the allowable shear stress is 42 MPa and the maximum tensile or compressive stress is not to exceed 56 MPa
The A-36 steel tubular shaft is 2 m long and has an outer diameter of 50 mm. When it is rotating at 40 rad>s, it transmits 25 kW of power from the motor M to the pump P. Determine the smallest thickness of the tube if the allowable shear stress is tallow = 80 MPa.
A motor delivers 500 hp to the shaft, which is tubular and has an outer diameter of 2 in. If it is rotating at 200 rad>s, determine its largest inner diameter to the nearest 1 8 in. if the allowable shear stress for the material is tallow = 25 ksi.
A solid shaft is required to transmit 90 kW of power at 200 rpm. Determine the shaft diameter by the strength design and rigidity design and from this design choose the suitable diameter of the shaft, if the permissible stress for the material is 50 N/mm2 and the permissible twist is 10 per meter length. Also, determine the maximum shear strain acting on the shaft.Take modulus of rigidity = 150 GN/m2.
The A-36 hollow steel shaft is 2 m long and has an outer diameter of 40 mm. When it is rotating at 80 rad>s, it transmits 32 kW of power from the engine E to the generator G. Determine the smallest thickness of the shaft if the allowable shear stress is tallow = 140 MPa and the shaft is restricted not to twist more than 0.05 rad.
Q2. A mild steel shaft transmits ‘P’ kW at ‘N’ r.p.m. It carries a central load of 900 N and is simply supported between the bearings 2.5 metres apart. Determine the size of the shaft, if the allowable shear stress is 42 MPa and the maximum tensile or compressive stress is not to exceed 56 MPa. Power P in KW= 25 , Speed N in rpm=150
The propellers of a ship are connected to an A-36 steel shaft that is 60 m long and has an outer diameter of 340 mm and inner diameter of 260 mm. If the power output is 4.5 MW when the shaft rotates at 20 rad/s, determine themaximum torsional stress in the shaft and its angle of twist.